Problem Display
PID: 239064 (1B6/2PP3R/4k3/8/4K3/8/8/8 w - - 0 1)

Speckmann, Werner

L'Italia Scacchistica, 1964

1B6/2PP3R/4k3/8/4K3/8/8/8

#2

5 + 1


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Tries
    • 1.d8S+?
      • 1...Kd6
        • 2.c8Q#
        • 2.c8R#
      • 1...Kf6!
  • Keys
    • 1.d8B!
      • 1...Kd6
        • 2.c8Q#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::P=Q


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).